Wood sandpaper is a special thick paper with a rough and abrasive surface. Carpentry workers and masters use wood sandpaper to smooth wooden surfaces or remove old paint. Construction painters also often use paper before painting the wall. Sanding sanding.
Although sanding makes the wood look smoother, the sanding process is actually grinding down the wood fibers so that they become uniformly rough. separates from the piece. You probably won’t be able to see the scratches when sanding with softer sandpaper numbers, coarser sandpaper with less grit will create larger scratches than softer sandpaper.
Sanding is done before finishing the work to remove the defects on the surface of the wood that affect the appearance and process of the work. These defects include cuts and burns, scratches and dents, small glue spots and prominent grains. In addition, for that color or type of coating to stick well on the surface of the wood, it is necessary to roughen the surface of the wood with sandpaper. to beTo remove or remove the color of wood, you should use wood sandpaper with a roughness of 40 to 60. However, you should use 80- to 120-grit sandpaper to remove paint from edges and delicate parts. To prepare painted wood, you must first remove the cracked, peeling or chipped paint, then sand the surface of the wood with 180 grit sandpaper, remove the dust and wipe it with a sponge or wet cloth until the surface of the wood is completely ready. be painted
The numbers printed on the back of the wood sandpaper indicate the size of the sandpaper grains. In fact, the number of sandpaper grains placed on a surface with a length and width of 1 square centimeter is called the sandpaper number, for example, if 1 square centimeter contains 40 grains. If the sandpaper is placed, the desired sandpaper number is 40, and if 120 sandpaper grains are placed in 1 square centimeter, the sandpaper number is 120.A higher grit number equates to a finer abrasive that creates a smoother surface. Lower grit numbers indicate coarser abrasives that will scratch the material much faster.
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Coarse wood sandpapers are usually designed for rough shaping of wood or removal of previous coatings such as paint or varnish, the presence of a relatively larger distance between coarse sandpaper grains makes these sandpapers saturated later. Medium wood sandpaper is used for final shaping or removal of sanding lines left from smoothing the wood surface with coarse sandpaper. Fine wood sandpaper is used in most workshops for final sanding before finishing the work piece or before painting. will be
What should we do for sanding wood?
First, prepare the surface of the wood. Remove all tape or staples from the surface to be sanded.Clean the wood surface from grease and dirt with alcohol and solvents.
To make the surface of the wood uniform, you should use two or three sandpapers, choose the roughness number of your sandpapers according to the surface of the wood in question.
Sanding the wood patiently and carefully, and during sanding, protect yourself so that the sanding does not touch your hands and other parts of the body, be sure to use a mask and glasses, so that the particles separated from the wood will harm your health. don’t
Clean the wood sandpaper periodically with air pressure.
After sanding, clean the surface of the wood well with thinner and industrial alcohol.
